CMake: Add LLVM build for Windows and other linker fixes

CMakePresets.json

@@ -24,16 +24,31 @@
       "displayName": "Windows Tiles Sounds x64 MSVC",
       "description": "Target Windows (64-bit) with the Visual Studio development environment.",
       "generator": "Visual Studio 16 2019",
+      "inherits": "windows-tiles-sounds-x64",
       "environment": {
         "VCPKG_ROOT": "C:/vcpkg"
       },
       "cacheVariables": {
         "CMAKE_PROJECT_INCLUDE_BEFORE": "${sourceDir}/build-scripts/${presetName}.cmake",
         "CMAKE_TOOLCHAIN_FILE": "${sourceDir}/build-scripts/MSVC.cmake",
+        "VCPKG_TARGET_TRIPLET": "x64-windows-static"
+      }
+    },
+    {
+      "name": "windows-tiles-sounds-x64-llvm",
+      "binaryDir": "${sourceDir}/out/build/${presetName}",
+      "displayName": "Windows Tiles Sounds x64 LLVM",
+      "description": "Target Windows (64-bit) with the LLVM development environment.",
+      "inherits": "windows-tiles-sounds-x64",
+      "environment": {
+        "VCPKG_ROOT": "C:/vcpkg"
+      },
+      "cacheVariables": {
+        "LLVM_ROOT": "C:/Program Files/LLVM",
+        "CMAKE_PROJECT_INCLUDE_BEFORE": "${sourceDir}/build-scripts/windows-tiles-sounds-x64-msvc.cmake",
+        "CMAKE_TOOLCHAIN_FILE": "${sourceDir}/build-scripts/LLVM.cmake",
         "VCPKG_TARGET_TRIPLET": "x64-windows-static",
-        "DYNAMIC_LINKING": "False",
-        "CURSES": "False", "LOCALIZE": "True", "TILES": "True", "SOUND": "True", "TESTS": "True",
-        "CMAKE_INSTALL_MESSAGE": "NEVER"
+        "VCPKG_APPLOCAL_DEPS": "False"
       }
     },
     {
@@ -80,6 +95,10 @@
     {
       "name": "windows-tiles-sounds-x64-msvc",
       "configurePreset": "windows-tiles-sounds-x64-msvc"
+    },
+    {
+      "name": "windows-tiles-sounds-x64-llvm",
+      "configurePreset": "windows-tiles-sounds-x64-llvm"
     }
   ],
   "testPresets": [

build-scripts/LLVM.cmake

@@ -0,0 +1,60 @@
+#[=======================================================================[
+
+LLVM
+----
+
+Toolchain file for LLVM CLANG on Windows
+
+Used by CMakePresets.json -> "toolchainFile".
+
+Using clang-cl.exe so we can copy MSVC.cmake flags over here.
+
+Refer to MSVC.cmake documentation
+
+#]=======================================================================]
+
+set(CMAKE_C_COMPILER   "${LLVM_ROOT}/bin/clang-cl.exe")
+set(CMAKE_CXX_COMPILER ${CMAKE_C_COMPILER})
+set(CMAKE_RC_COMPILER  "${LLVM_ROOT}/bin/llvm-rc.exe")
+set(CMAKE_MT "${LLVM_ROOT}/bin/llvm-mt.exe")
+set(CMAKE_OBJDUMP "${LLVM_ROOT}/bin/llvm-objdump.exe")
+
+set(CMAKE_CXX_FLAGS_INIT "\
+/utf-8 /bigobj /permissive- /sdl- /FC /Gd /GS- /Gy /GF \
+/wd4068 /wd4146 /wd4661 /wd4819 /wd6237 /wd6319 /wd26444 /wd26451 /wd26495 /WX- /W1 \
+/Zc:forScope /Zc:inline /Zc:wchar_t"
+)
+set(CMAKE_CXX_FLAGS_RELWITHDEBINFO_INIT
+"/Oi"
+)
+
+add_compile_definitions(
+    _SCL_SECURE_NO_WARNINGS
+    _CRT_SECURE_NO_WARNINGS
+    WIN32_LEAN_AND_MEAN
+    LOCALIZE
+    USE_VCPKG
+)
+
+add_link_options(
+    /OPT:REF
+    /OPT:ICF
+    /LTCG:OFF
+    /INCREMENTAL:NO
+    /DYNAMICBASE
+    /NXCOMPAT
+    "$<$<CONFIG:Debug>:/NODEFAULTLIB:LIBCMT>"
+    "$<$<CONFIG:RelWithDebInfo>:/NODEFAULTLIB:LIBCMTD>"
+)
+
+set(CMAKE_MSVC_RUNTIME_LIBRARY "MultiThreaded$<$<CONFIG:Debug>:Debug>")
+
+# Where is vcpkg.json ?
+set(VCPKG_MANIFEST_DIR ${CMAKE_SOURCE_DIR}/msvc-full-features)
+
+set(VCPKG_ROOT "" CACHE PATH "Path to VCPKG installation")
+if (NOT $ENV{VCPKG_ROOT} STREQUAL "")
+    include($ENV{VCPKG_ROOT}/scripts/buildsystems/vcpkg.cmake)
+elseif(NOT $CACHE{VCPKG_ROOT} STREQUAL "")
+    include($CACHE{VCPKG_ROOT}/scripts/buildsystems/vcpkg.cmake)
+endif()

build-scripts/MSVC.cmake

@@ -48,6 +48,21 @@ Linker flags used by all builds:
 /NXCOMPAT     same as above
 No need to force /TLBID:1 because is default
 
+CMake defaults seen in generators:
+CMAKE_CXX_FLAGS=/DWIN32 /D_WINDOWS /EHsc
+CMAKE_CXX_FLAGS_DEBUG=/Zi /Ob0 /Od /RTC1
+CMAKE_CXX_FLAGS_RELWITHDEBINFO=/Zi /O2 /Ob1 /DNDEBUG
+CMAKE_EXE_LINKER_FLAGS=/machine:x64
+CMAKE_EXE_LINKER_FLAGS_DEBUG=/debug /INCREMENTAL
+CMAKE_EXE_LINKER_FLAGS_RELWITHDEBINFO=/debug /INCREMENTAL
+
+Use the following for Dr. Memory:
+/Zi or /ZI
+/DEBUG:FULL
+/Ob0    disable inlining
+/Oy-    don't omit frame pointers
+Remove /RTC1
+
 #]=======================================================================]
 
 # Path has changed, so this configure run will find cl.exe
@@ -61,23 +76,27 @@ set(CMAKE_CXX_FLAGS_INIT "\
 set(CMAKE_CXX_FLAGS_RELWITHDEBINFO_INIT
 "/Oi"
 )
+
 add_compile_definitions(
     _SCL_SECURE_NO_WARNINGS
     _CRT_SECURE_NO_WARNINGS
     WIN32_LEAN_AND_MEAN
     LOCALIZE
     USE_VCPKG
 )
+
 add_link_options(
     /OPT:REF
     /OPT:ICF
     /LTCG:OFF
     /INCREMENTAL:NO
     /DYNAMICBASE
     /NXCOMPAT
+    "$<$<CONFIG:Debug>:/NODEFAULTLIB:LIBCMT>"
+    "$<$<CONFIG:RelWithDebInfo>:/NODEFAULTLIB:LIBCMTD>"
 )
 
-set(CMAKE_MSVC_RUNTIME_LIBRARY "MultiThreaded")
+set(CMAKE_MSVC_RUNTIME_LIBRARY "MultiThreaded$<$<CONFIG:Debug>:Debug>")
 
 # Where is vcpkg.json ?
 set(VCPKG_MANIFEST_DIR ${CMAKE_SOURCE_DIR}/msvc-full-features)

src/CMakeLists.txt

@@ -48,13 +48,13 @@ if (TILES)
                 ${MESSAGES_CPP}
                 ${RESOURCE_RC})
         if(MSYS2)
-            # /MANIFESTINPUT not supported by GNU linker
-            # Defaul embed via `windres.exe` compiling `resource.rc` -> `resource.rc.obj`
+            target_link_options(cataclysm-tiles PRIVATE
+                "$<$<CONFIG:Debug,RelWithDebInfo>:LINKER:--strip-debug>"
+            )
         else()
-            # Embed manifest directly to avoid:
-            # "fatal error CVT1100: duplicate resource.  type:MANIFEST, name:1, language:0x0409"
+            # Use only our RT_MANIFEST from resource.rc
             target_link_options(cataclysm-tiles PRIVATE
-                "LINKER:/MANIFESTINPUT:${CMAKE_SOURCE_DIR}/data/application_manifest.xml"
+                "LINKER:/MANIFEST:NO"
             )
         endif()
     else ()

src/resource.rc

@@ -3,10 +3,6 @@
 
 #include <windows.h>
 0  ICON  "../data/cataicon.ico"
-#if defined(CMAKE) && !defined(MSYS2)
-    // Will embed it with MSVC' linker /MANIFESTINPUT:
-#else
 1  RT_MANIFEST "../data/application_manifest.xml"
-#endif
 
 #endif // RESOURCE_RC_INCLUDED

src/version.cmake

@@ -1,4 +1,6 @@
-file(TOUCH ${CMAKE_SOURCE_DIR}/src/version.h)
+if(NOT EXISTS ${CMAKE_SOURCE_DIR}/src/version.h)
+    file(TOUCH ${CMAKE_SOURCE_DIR}/src/version.h)
+endif()
 
 list(APPEND CMAKE_MODULE_PATH
     ${CMAKE_SOURCE_DIR}/CMakeModules)